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Successfully checking the signature of a p2pkh output script

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Chris Stewart 2016-03-03 15:47:47 -06:00
parent a20325713a
commit 0a43d8a5aa
1 changed files with 4 additions and 24 deletions
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28
src/test/scala/org/scalacoin/crypto/TransactionSignatureCheckerTest.scala
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@ -16,44 +16,24 @@ import org.scalatest.{FlatSpec, MustMatchers}
*/
class TransactionSignatureCheckerTest extends FlatSpec with MustMatchers {
"TransactionSignatureChecker" must "check to see if an input correctly spends a scriptPubKey" in {
"TransactionSignatureChecker" must "check to see if an input correctly spends a p2pkh scriptPubKey" in {
val (spendingTx,spendingInput,inputIndex,creditingOutput) : (Transaction,TransactionInput,Int,TransactionOutput) =
TransactionTestUtil.transactionWithSpendingInputAndCreditingOutput
val rawPubKey = BitcoinSUtil.decodeHex("0241d746ca08da0a668735c3e01c1fa02045f2f399c5937079b6434b5a31dfe353")
val rawSig = BitcoinSUtil.decodeHex("30450221008337ce3ce0c6ac0ab72509f" +
"889c1d52701817a2362d6357457b63e3bdedc0c0602202908963b9cf1a095ab3b34" +
"b95ce2bc0d67fb0f19be1cc5f7b3de0b3a325629bf01")
val scriptSig : ScriptSignature = spendingInput.scriptSignature
val pubKey : ECPublicKey = ECFactory.publicKey(scriptSig.asm.last.bytes)
val digitalSignature = scriptSig.signatures.head
val bitcoinjSig : TransactionSignature = TransactionSignature.decodeFromBitcoin(digitalSignature.bytes.toArray,false)
val hashType = scriptSig.hashType(scriptSig.signatures.head)
require(scriptSig.signatures.head.hex == "30450221008337ce3ce0c6ac0ab72509f889c1d52701817a2362d6357457b63e3bdedc0c0602202908963b9cf1a095ab3b34b95ce2bc0d67fb0f19be1cc5f7b3de0b3a325629bf01")
require(pubKey.hex == "0241d746ca08da0a668735c3e01c1fa02045f2f399c5937079b6434b5a31dfe353" )
require(hashType == SIGHASH_ALL)
val bitcoinjTx = BitcoinjConversions.transaction(spendingTx)
/* require("6cfc2246bbdaf35820ba5f2073f28269763c66b07bd85e0661a210c500d19702" == flippedEndianess,
"6cfc2246bbdaf35820ba5f2073f28269763c66b07bd85e0661a210c500d19702\n" +
flippedEndianess)*/
/* TransactionSignatureChecker.checkSignature(spendingTx,0,creditingOutput.scriptPubKey,
pubKey) must be (true)*/
val s = new Script(spendingInput.scriptSignature.bytes.toArray)
s.correctlySpends(bitcoinjTx,inputIndex,
new Script(creditingOutput.scriptPubKey.bytes.toArray))
val bitcoinjPubKey = BitcoinjConversions.publicKey(pubKey)
val hashForSig = bitcoinjTx.hashForSignature(inputIndex,creditingOutput.scriptPubKey.bytes.toArray,SIGHASH_ALL.byte)
require(hashForSig == "13bbfd870180eb1860e95d8ada8203b9373869d45eea2d40d0a75574fc188c92")
//ECKey.verify(hashForSig.getBytes, signature, pubKey) must be (true)
TransactionSignatureChecker.checkSignature(spendingTx,inputIndex,creditingOutput.scriptPubKey,
pubKey) must be (true)
}
it must "" in {
it must "check to see if an input spends a multisignature scriptPubKey correctly" in {
//txid is 92efdd5abb43efd4fe4f89bd080bcddd287a630e8cb6920388dd7880acf4c964 on testnet
val params = TestNet3Params.get()